safety instrumented system

基本解释

Now fieldbus safety instrumented system has become a new branch of Fieldbus domain.
现场总线安全仪表系统也是当前现场总线技术的一个发展新方向。
Because traditional safety instrumented system (SIS) is not in the same layer as process control system, it is certainly that they are independent with each other in application.
由于传统的安全仪表系统和过程控制系统处于不同的安全保护层面上，二者在实际应用的过程当中也是相互独立的。
Basic method for determining the grades of safety instrumented system in design as well as the main process and methods for implementation and verification are introduced as well.
介绍了设计过程中的安全仪表系统等级确定的基本方法及实施验证的主要过程和方法。